Segyung Hitech Co., Ltd. is a company specializing in the development and production of functional films for displays and structural components of small and medium-sized IT devices such as smartphones and foldable phones, established in 2006. The company focuses on optical films and digital printer decoration (DECO) film businesses, delivering high-quality products based on superior technological capabilities.SegyungHitechCo.,Ltd.isacompanyspecializinginthedevelopmentandproductionoffunctionalfilmsfordisplaysandstructuralcomponentsofsmallandmedium-sizedITdevicessuchassmartphonesandfoldablephones,establishedin2006.Thecompanyfocusesonopticalfilmsanddigitalprinterdecoration(DECO)filmbusinesses,deliveringhigh-qualityproductsbasedonsuperiortechnologicalcapabilities.
Key Products/TechnologiesKeyProducts/Technologies
Deco Film: A product line for designing the front and rear housings of smartphones. Application of technology for imprinting text or colors onto glass or plastic surfaces. Notably, the world's first development of the MDD (Micro Dry process Decoration) method, ensuring a technological edge over competitors. The MDD method, utilizing heat transfer printing with dry ink ribbons, offers faster and thinner printing, along with superior color reproduction compared to conventional silk screen methods. Glastic (PCPMMA) products, featuring various deco designs on PC and PMMA composite sheets, are primarily used in mid-to-low-end smartphone markets due to their cost competitiveness against glass materials.DecoFilm:Aproductlinefordesigningthefrontandrearhousingsofsmartphones.Applicationoftechnologyforimprintingtextorcolorsontoglassorplasticsurfaces.Notably,theworld'sfirstdevelopmentoftheMDD(MicroDryprocessDecoration)method,ensuringatechnologicaledgeovercompetitors.TheMDDmethod,utilizingheattransferprintingwithdryinkribbons,offersfasterandthinnerprinting,alongwithsuperiorcolorreproductioncomparedtoconventionalsilkscreenmethods.Glastic(PCPMMA)products,featuringvariousdecodesignsonPCandPMMAcompositesheets,areprimarilyusedinmid-to-low-endsmartphonemarketsduetotheircostcompetitivenessagainstglassmaterials.
Optical Film: A product line of optically clear adhesive films (OCA) used in displays. Application in mobile devices for minimizing optical loss between display modules, touch panels, and display cover glass, as well as for fixing and attaching OLEDs, sensors, and glass. Specifically, a core protective film for the Ultra Thin Glass (UTG) of foldable phones, providing high-performance folding functional films with durability and stability against repeated folding. Product configurations also include anti-fingerprint and improved touch functionalities.OpticalFilm:Aproductlineofopticallyclearadhesivefilms(OCA)usedindisplays.Applicationinmobiledevicesforminimizingopticallossbetweendisplaymodules,touchpanels,anddisplaycoverglass,aswellasforfixingandattachingOLEDs,sensors,andglass.Specifically,acoreprotectivefilmfortheUltraThinGlass(UTG)offoldablephones,providinghigh-performancefoldingfunctionalfilmswithdurabilityandstabilityagainstrepeatedfolding.Productconfigurationsalsoincludeanti-fingerprintandimprovedtouchfunctionalities.
Protect & Injection Film: A product line of films attached for protecting electronic devices, including mobile devices, during manufacturing processes or as finished products. Functional tape applied inside smartphones for component positioning, TSP (Touch Screen Panel) fixing and cushioning, and filling gaps between glass and sensors. A technological capability that began with mobile phone tape business and expanded into various functional films.Protect&InjectionFilm:Aproductlineoffilmsattachedforprotectingelectronicdevices,includingmobiledevices,duringmanufacturingprocessesorasfinishedproducts.Functionaltapeappliedinsidesmartphonesforcomponentpositioning,TSP(TouchScreenPanel)fixingandcushioning,andfillinggapsbetweenglassandsensors.Atechnologicalcapabilitythatbeganwithmobilephonetapebusinessandexpandedintovariousfunctionalfilms.
Core AdvantagesCoreAdvantages
Leading Technology in Foldable Phone Films: Participation in Samsung Display's advanced development of foldable special films, establishing a stable supply structure as the exclusive supplier of foldable special films for Samsung Electronics' foldable phones since 2019. Possession of high-difficulty development experience and mass production capabilities for Ultra Thin Glass (UTG) protective films, with over 50,000 samples produced. Strengthening market position as Samsung Display's exclusive supplier amidst expectations for Apple's foldable iPhone launch. This exclusive status is a result of technological excellence and trust.LeadingTechnologyinFoldablePhoneFilms:ParticipationinSamsungDisplay'sadvanceddevelopmentoffoldablespecialfilms,establishingastablesupplystructureastheexclusivesupplieroffoldablespecialfilmsforSamsungElectronics'foldablephonessince2019.Possessionofhigh-difficultydevelopmentexperienceandmassproductioncapabilitiesforUltraThinGlass(UTG)protectivefilms,withover50,000samplesproduced.StrengtheningmarketpositionasSamsungDisplay'sexclusivesupplieramidstexpectationsforApple'sfoldableiPhonelaunch.Thisexclusivestatusisaresultoftechnologicalexcellenceandtrust.
Proprietary MDD Printing Method: Technological prowess in manufacturing Deco films using the patented Micro Dry process Decoration (MDD) method. A differentiated competitive advantage over conventional liquid ink methods, requiring no drying time and enabling delicate micro-unit printing and diverse design implementations. Roll-to-Roll manufacturing capability for thin film production, allowing for cost reduction and various design effects such as metallic and holographic finishes. This method, applied to the inner surface of smartphone rear glass, resolves issues of printing patterns or designs wearing off.ProprietaryMDDPrintingMethod:TechnologicalprowessinmanufacturingDecofilmsusingthepatentedMicroDryprocessDecoration(MDD)method.Adifferentiatedcompetitiveadvantageoverconventionalliquidinkmethods,requiringnodryingtimeandenablingdelicatemicro-unitprintinganddiversedesignimplementations.Roll-to-Rollmanufacturingcapabilityforthinfilmproduction,allowingforcostreductionandvariousdesigneffectssuchasmetallicandholographicfinishes.Thismethod,appliedtotheinnersurfaceofsmartphonerearglass,resolvesissuesofprintingpatternsordesignswearingoff.
Diversified Product Portfolio and New Business Expansion: A broad range of functional films for small and medium-sized IT devices, including optical films, Deco films, and protect & injection films. Entry into the electric vehicle battery market through the acquisition of Sesmat, a specialized company in thermal insulation chemical materials for secondary batteries, in 2024. A corporate strategy pursuing continuous growth by successfully expanding business areas into promising future industries such as AR/VR device films. This diversification serves as a foundation for reducing reliance on specific markets and achieving stable sales growth.DiversifiedProductPortfolioandNewBusinessExpansion:Abroadrangeoffunctionalfilmsforsmallandmedium-sizedITdevices,includingopticalfilms,Decofilms,andprotect&injectionfilms.EntryintotheelectricvehiclebatterymarketthroughtheacquisitionofSesmat,aspecializedcompanyinthermalinsulationchemicalmaterialsforsecondarybatteries,in2024.AcorporatestrategypursuingcontinuousgrowthbysuccessfullyexpandingbusinessareasintopromisingfutureindustriessuchasAR/VRdevicefilms.Thisdiversificationservesasafoundationforreducingrelianceonspecificmarketsandachievingstablesalesgrowth.
Strong R&D Capabilities and Intellectual Property Rights: Continuous research and development through its technology research institute and intensive investment in process and equipment fields. Establishment of technological rights and legal stability through securing numerous intellectual properties, including 29 domestic patents and 10 design registrations. Leading technological development activities, such as joint patent application with Samsung Display for foldable panel protective films and impact absorption layers. These R&D capabilities are key drivers for quickly responding to market changes and preempting new technologies.StrongR&DCapabilitiesandIntellectualPropertyRights:Continuousresearchanddevelopmentthroughitstechnologyresearchinstituteandintensiveinvestmentinprocessandequipmentfields.Establishmentoftechnologicalrightsandlegalstabilitythroughsecuringnumerousintellectualproperties,including29domesticpatentsand10designregistrations.Leadingtechnologicaldevelopmentactivities,suchasjointpatentapplicationwithSamsungDisplayforfoldablepanelprotectivefilmsandimpactabsorptionlayers.TheseR&Dcapabilitiesarekeydriversforquicklyrespondingtomarketchangesandpreemptingnewtechnologies.
South Korea, China, Vietnam, JapanSouthKorea,China,Vietnam,Japan
United StatesUnitedStates
Certifications/PatentsCertifications/Patents
Possession of 316 total patentsPossessionof316totalpatents
Possession of 29 domestic patent registrations and 10 design registrationsPossessionof29domesticpatentregistrationsand10designregistrations
Possession of patents related to the MDD (Micro Dry Decoration) printing methodPossessionofpatentsrelatedtotheMDD(MicroDryDecoration)printingmethod
Joint patent application with Samsung Display for foldable panel protective film and impact absorption layer (Application No: 1020230068432)JointpatentapplicationwithSamsungDisplayforfoldablepanelprotectivefilmandimpactabsorptionlayer(ApplicationNo:1020230068432)
Awarded the 20 Million Dollar Export Tower in 2013Awardedthe20MillionDollarExportTowerin2013
Recipient of the GDWEB WINNER PRIZE on March 11, 2025RecipientoftheGDWEBWINNERPRIZEonMarch11,2025
Introduction
Location
128 Saneop-ro 155beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do, South Korea
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Information
128 Saneop-ro 155beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do, South Korea